Home / 7,105.84-10,660.20-2,488.24

Finding the Fourth Proportional to 7,105.84, 10,660.20 and 2,488.24

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Solution

The fourth proportional to 7,105.84, 10,660.20 and 2,488.24 is: 3,732.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105.84 : 10,660.20 = 2,488.24 : x
  2. Step 2: Convert to fraction form
    7,105.84/10,660.20 = 2,488.24/x
  3. Step 3: Cross multiply
    7,105.84x = 10,660.20 × 2,488.24
  4. Step 4: Simplify right side
    7,105.84x = 26,525,136.05
  5. Step 5: Solve for x
    x = 26,525,136.05/7,105.84
  6. Step 6: Final answer
    x = 3,732.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.